Formula: Ca6.63 Y.06 Ce.03 Fe1.77 Mn.75 Si25.7 Nb.26 Na13.26 Sr.75 K.27 (Zr2.79 Ti.21) O76.26 Cl H
Name: Eudialyte
Unit cell: 14.2691 14.2691 30.163 90.0 90.0 120.0 , V=5318.61
Space group: R-3M (166)

Johnsen O , Grice J D , The Canadian Mineralogist , 37 (1999) p.865-891, The crystal chemistry of the eudialyte group, Locality: Gardiner complex, East Greenland, Sample: #12, Note: additional sites with low but unreported occupancies excluded